# Dictionary. vs Metric Conversion tool

The clearest difference is in-app purchases: Metric Conversion tool at none against Dictionary.'s 1. Metric Conversion tool also leads on update cadence (fortnightly vs every 3 months). Dictionary.'s advantage is review sentiment (91% vs 70%) and iOS requirement (13.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Dictionary. sells 1 one-off in-app purchase. Metric Conversion tool asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Dictionary. against 4.8 for Metric Conversion tool. Both are backed by a comparable volume of ratings — 15K and 15K respectively. Written reviews are what separate them: 91% of Dictionary.'s written reviews are positive against 70% of Metric Conversion tool's.

Dictionary. ships an update every 3 months, Metric Conversion tool fortnightly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Dictionary. | Metric Conversion tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (15K ratings)](https://appshunter.io/ios/app/dictionary/id379450383/reviews) | [4.8 (15K ratings)](https://appshunter.io/ios/app/metric-conversion-tool/id1439430070/reviews) |
| Number of ratings | 15K | **15K** |
| Positive reviews | **90.7% of reviews** | 70.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 57 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Farlex, Inc.](https://appshunter.io/developer/379450386) | [Wight Hat](https://appshunter.io/developer/1425885740) |

## What reviewers say

### Dictionary.

[App page](https://appshunter.io/ios/app/dictionary/id379450383)

Access a comprehensive dictionary, thesaurus, and translation tool with millions of definitions and synonyms. Explore specialty dictionaries, learn new words daily, and play word games. This app offers offline access and integrates seamlessly with other applications.

**Highlights:** Offline dictionary and thesaurus, Millions of definitions and synonyms, Word of the Day and Idiom of the Day, Specialty dictionaries (medical, legal, etc.), Translations into 40+ languages, Word games (Spelling Bee, Hangman), In-app word lookup via sharing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free upgrade | $5.99 | one-time |

**What reviewers like**

- 🚀 Comprehensive and detailed definitions
- 👍 Helpful thesaurus and translation features
- 🎮 Fun word games and activities
- 📚 Vast amount of information beyond just definitions
- 🔍 Easy to use and navigate

**What reviewers complain about**

- 🔍 Cluttered interface with too many ads
- 🐛 Occasional crashes and bugs
- 🔍 Difficulty finding specific settings or features
- 🔋 Drains battery life quickly

**Reported bugs**

- Frequent login issues and lost user data
- Inconsistent performance across devices
- Incorrect or missing definitions for some words

**Requested features**

- Ability to create and organize custom word lists
- More advanced vocabulary-building tools
- Improved audio pronunciation quality
- Offline access to full dictionary content


### Metric Conversion tool

[App page](https://appshunter.io/ios/app/metric-conversion-tool/id1439430070)

This app provides a comprehensive unit and currency converter with a user-friendly interface. It offers offline functionality, supports over 30,000 unit conversions, and includes more than 160 currencies with live exchange rates. Users can save favorite conversions and get precise results.

**Highlights:** Offline functionality, Over 30,000 unit conversions, 160+ currencies with live rates, Save favorite conversions, Answers in fractions, Up to 5 decimal places

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Useful conversion tool
- 👍 Easy to use and navigate
- 🚀 Quick and efficient
- 👍 Comprehensive coverage of conversions

**What reviewers complain about**

- 🔊 Intrusive and loud ads
- 🔒 Questionable privacy practices
- 🐛 Inaccurate conversions
- 👎 Disruptive to workflow

**Reported bugs**

- Temperature conversion displaying incorrect values
- Ads triggering false memory full warnings

**Requested features**

- Paid version to remove ads
- Option to display results in preferred format
- Speed conversion (mph, km/h, etc.)


## Frequently asked questions

### Is Dictionary. free?

Dictionary. is free to download, with in-app purchases available.

### Is Metric Conversion tool free?

Metric Conversion tool is free to download, with no in-app purchases.

### Which has better reviews, Dictionary. or Metric Conversion tool?

Dictionary. and Metric Conversion tool are both rated 4.8 out of 5 on the App Store, from 15K and 15K ratings respectively.

### Do Dictionary. or Metric Conversion tool have ads?

Both Dictionary. and Metric Conversion tool show ads.

### Which is updated more often, Dictionary. or Metric Conversion tool?

Dictionary. ships an update every 3 months, and Metric Conversion tool fortnightly. Most recently, Dictionary. was updated on October 16, 2026 and Metric Conversion tool on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*